RnBinds
rnTopBinds
rnTopBindsLHS
rnTopBindsRHS
rnLocalBindsAndThen
rnLocalValBindsLHS
rnLocalValBindsRHS
rnMethodBinds
renameSigs
mkSigTvFn
rnMatchGroup
rnGRHSs
makeMiniFixityEnv
type MiniFixityEnv
misplacedSigErr